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All Journal Syntax Literate: Jurnal Ilmiah Indonesia Pendas : Jurnah Ilmiah Pendidikan Dasar JURNAL PENDIDIKAN MIPA Jurnal Ilmiah Profesi Pendidikan Mandalika Mathematics and Educations Journal Journal of Classroom Action Research Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Griya Journal of Mathematics Education and Application Rengganis Jurnal Pengabdian Masyarakat Journal Research of Social Science, Economics, and Management Jurnal Pendidikan dan Pengabdian Masyarakat Darma Diksani: Jurnal Pengabdian Ilmu Pendidikan, Sosial, dan Humaniora Prosiding Seminar Nasional Unimus Jurnal Pendidikan MIPA Sigma&Mu: Journal of Mathematics, Statistics and Data Science Journal of Science Technology and Education Media Pendidikan Matematika Indonesian Journal of STEM Education
Nani Kurniati
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Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Nursing Physics Public Health Social Sciences Other

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Peningkatan Kompetensi Guru dalam Memanfaatkan Geogebra Sebagai Media Pembelajaran Amrullah; Nani Kurniati; Intan Kertiyani, Ni Made; Wahidaturrahmi
Rengganis Jurnal Pengabdian Masyarakat Vol. 4 No. 2 (2024): November 2024
Publisher : Pendidikan Matematika, FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/rengganis.v4i2.453

Abstract

Hasil wawancara yang dilakukan dengan guru-guru matematika SMP di Kota Mataram menununjukan bahwa guru memerlukan media pembelajaran untuk membantu visualisasi objek-objek dalam materi pelajaran seperti garis-garis yang berpotongan dan perpotongan garis dengan sumbu koordinat. Geogebra dalam hal ini dapat digunakan untuk memvisualisasikan objek-objek tersebut dengan baik. Untuk membantu meningkatkan kompetensi guru dalam menggunakan Geogebra, dilakukan kegiatan pelatihan bagi 40 guru matematika SMP di Kota Mataram. Kegiatan dilakukan dalam bentu pemaparan materi, demonstrasi, praktek terbimbing dan praktek mandiri. Hasil praktek mandiri menunjukan seluruh peserta mampu membuat applet Geogebra sederhana terkait materi yang diajarkan guru yang bersangkutan di kelas. Hasil evaluasi menunjukkan bahwa seluruh peserta mendapatkan tambahan pengetahuan maupun keterampilan tentang pembuatan applet Geogebra.
PELATIHAN PEMBUATAN MEDIA PEMBELAJARAN GEOGEBRA BAGI GURU MATEMATIKA SEKOLAH MENENGAH PERTAMA KOTA MATARAM Amrullah; Nani Kurniati; Kertiyani, Ni Made Intan; Wahidaturrahmi
Jurnal Pendidikan dan Pengabdian Masyarakat Vol. 6 No. 4 (2023): November
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppm.v6i4.6219

Abstract

Guru matematika di NTB masih mengalami kesulitan membuat media pembelajaran berbasis digital untuk membantu visualisasi objek-objek geometri. Melalui wawancara yang dilakukan dengan salah seorang guru matematika SMP di Kota Mataram diperoleh hasil bahwa guru juga masih mengalami kesulitan untuk membuat media pembelajaran untuk memvisualisasikan materi-materi abstrak seperti kurva dan bangun ruang pada tingkat SMP. Media pembelajaran yang mempermudah visualisasi objek geometri seperti Geogebra masih minim digunakan di kalangan guru-guru matematika pada pembelajaran di kelas di Kota Mataram. Untuk menjawab permasalahan tersebut, dilakukan kegiatan pengabdian berupa pelatihan penggunaan Geogebra sebagai media pembelajaran di SMP. Pelatihan dihadiri oleh 40 guru matematika yang mengajar di SMP negeri, swasta dan madrasah tsanawiyah. Kegiatan ini terdiri dari tiga jenis, yakni pemberian materi, praktek terbimbing dan penugasan secara mandiri. Materi yang disampaikan diantaranya 1) pengenalan tools dalam Geogebra, 2) membuat Applet Geogebra untuk materi Fungsi Kuadrat Kelas IX SMP, 3) simulasi pengaplikasian applet Geogebra dalam pembelajaran di kelas. Seluruh peserta merasa bahwa materi dapat dipahami dengan baik, praktek terbimbing dapat dilakukan dengan lancar dan peserta juga merasa kegiatan ini relevan dengan kebutuhan guru.
Pemecahan Masalah Program Linier Mahasiswa Pendidikan Matematika dengan Kemampuan Number Sense Tinggi Arjudin, Arjudin; Kurniati, Nani; Turmuzi, Muhammad; Wulandari, Nourma Pramestie
Mandalika Mathematics and Educations Journal Vol 6 No 1 (2024): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v6i1.6260

Abstract

Problem solving in mathematics is a basic and fundamental ability that a person must master. However, previous research shows that students' problem solving abilities still tend to be in the medium and low categories. Many factors can cause students' low problem solving abilities, including number sense ability. The aim of this research is to describe linear programming problem solving for mathematics education students with high number sense abilities. This research is a descriptive qualitative research involving 36 third year Mathematics Education Study Program students who have taken linear programming courses. The instruments used were number sense ability test questions, problem solving test questions, and interview guidelines. The results of this research obtained information that there were 6 students with high number sense abilities, all of whom only reached the medium category in problem solving. In general, students in this category do not write complete information regarding the constraints of linear programming problems at the information gathering stage. In addition, students also do not carry out the re-checking stage of solving the problem because they feel confident with the answer given. However, this solution is not correct
An Analisis Epistemological Obstacle Berdasarkan Kesalahan Menyelesaikan Soal Matematika Materi Segitiga Siswa Kelas VII SMP Negeri 3 Mataram Tahun Ajaran 2022/2023 Ainun, Yusri; Sridana, Nyoman; Kurniati, Nani; Sarjana, Ketut
Mandalika Mathematics and Educations Journal Vol 6 No 1 (2024): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v6i1.6650

Abstract

This research aims to describe epistemological obstacles based on errors in solving mathematics problems related to triangle material for class VII students at SMP Negeri 3 Mataram. This research method uses a qualitative descriptive method with data collection methods including diagnostic tests and questionnaires. The sample was selected from class VII-4 of SMP Negeri 3 Mataram where the sample search method was carried out using tests. Determination of the sample using a purposive sampling technique. The sample selected was six students based on the results of tests and grouped into three groups with each group consisting of 2 students in the high, medium, and low error category and then given a questionnaire. The results of the research show that the types of epistemological obstacles experienced by students are conceptual epistemological obstacles with a percentage of 56.99%, procedural epistemological obstacles with a percentage of 95.70%, and operational technique epistemological obstacles with a percentage of 79.57%. For students with a high error category, the percentage of conceptual epistemological obstacles is 100%, procedural epistemological obstacles are 100%, and operational technique epistemological obstacles are 100%. Meanwhile, for students with the moderate error category, the percentage of conceptual epistemological obstacles was 66.67%, procedural epistemological obstacles were 100%, and operational technique epistemological obstacles were 89.86%. Finally, for students in the low error category, the percentage of conceptual epistemological obstacles was 5.56%, procedural epistemological obstacles were 72.22%, and operational technique epistemological obstacles were 33.33%.
Efektivitas Metode Brent dalam Penyelesaian Masalah Break Even Point Menggunakan Pemrograman Pascal Sujaya, Ketut Ary; Sudi Prayitno; Nani Kurniati; Nyoman Sridana
Mandalika Mathematics and Educations Journal Vol 6 No 1 (2024): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v6i1.6923

Abstract

The non-linear mathematical model of the break even point (BEP) problem is difficult to solve analytically to obtain an exact solution, so the alternative is to solve it numerically. This research aims to solve the BEP problem and measure the effectiveness of Brent's method compared to other solution methods based on error and number of iterations. This research is an applied type whose implementation procedures include preparation, implementation, program testing, program revision, analysis, and conclusion. The errors of Brent’s, secant, false position, and bisection methods in solving the BEP problem are 0.00118; 0.00893; 0.64485; and 0.89119, respectively. While the number of iterations from several checks are 52, 53, 91, and 101, respectively. Therefore, it can be concluded that the Brent’s method is more effective than the other three methods.
Analisis Kesalahan dalam Menyelesaikan Soal Cerita Matematika Ditinjau dari Sikap Belajar Siswa Kelas VII SMPN 15 Mataram Syahril Ramdhan; Nani Kurniati; Tabita Wahyu Triutami; Syahrul Azmi
Mandalika Mathematics and Educations Journal Vol 6 No 2 (2024): Edisi Desember
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v6i2.7719

Abstract

The aim of this research is to analyze student errors in solving word problems in terms of learning attitudes in class VII students at SMPN 15 Mataram in the 2023/2024 academic year using the Newman procedure. This type of research is descriptive qualitative. The sample used was 30 people from class VII-B with the sampling technique used was purposive sampling with data collection techniques carried out by tests, questionnaires and interviews. The results showed that students with a high learning attitude, with a total of 3 students, made 11.11% errors in Comprehension Errors, 22.22% transformation errors, 27.78% process skill errors, and 61.11% encoding errors. . Students with moderate learning attitudes, numbering 23 students, made errors in reading errors as much as 15.21%, Comprehension Errors as much as 31.88%, transformation errors as much as 44.92%, process skill errors as much as 62.31%, and encoding errors as much as 57.98%. Students with low learning attitudes, with a total of 4 students, made errors in reading errors as much as 25%, Comprehension Errors as much as 29.16%, transformation errors as much as 50%, process skill errors as much as 62.5%, and encoding errors as much as 100%. The causes of students making mistakes are weak understanding of concepts, limited ability to read and understand questions, lack of problem solving strategies, lack of practice and experience, and lack of self-confidence.
PENGARUH MODEL GAME BASED LEARNING MENGGUNAKAN APLIKASI QUIZIZZ TERHADAP MINAT DAN HASIL BELAJAR MATEMATIKA SISWA Dhuha, Shela Hadri Dhuha; Kurniati, Nani; Lu’luilmaknun, Ulfa; Soepriyanto, Harry
Mandalika Mathematics and Educations Journal Vol 6 No 2 (2024): Edisi Desember
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v6i2.8215

Abstract

The purpose of this study is to determine how the Game Based Learning model using the Quizizz application influences the interests and learning outcomes of grade VIII students of SMPN 3 Jonggat in the 2024/2025 academic year. The results of the Manova analysis obtained a significance value of 0.002 < 0.05, which means that H1 is accepted or there is a difference in the average interest and mathematics learning outcomes of students in the experimental class who use the game based learning model with the Quizizz application and the control class who use the conventional model. The results of the t test show a significance value of 0.006 < 0.05, which means that H1 is accepted or there is a difference in the average learning interest of the experimental class and the control class with the average value of the experimental class being 72.25, which is higher than the control class, namely 70.65. Likewise, there is a difference in the average mathematics learning outcomes of experimental class students, which is higher than that of the control class, with the average score of the experimental class being 85.01, which is higher than the control class, namely 71.35. Because there is a difference between the average of the experimental class and the control class and the average score of the experimental class is superior to the control class, there is an influence of the use of the game based learning model using the Quizizz application on the interest and learning outcomes in mathematics for class VIII students at SMPN 3 JONGGAT for the 2024/2025 academic year.
Pengaruh Model PBL dengan Konteks Budaya Sasambo Terhadap Kemampuan Pemecahan Masalah Matematika Siswa Syafitri, Rekha Hesti; Nani Kurniati; Dwi Novitasari; Laila Hayati
Journal of Classroom Action Research Vol. 7 No. 1 (2025): Februari 2025
Publisher : Program Studi Magister Pendidikan IPA, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jcar.v7i1.10337

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh penerapan model problem based learning (PBL) dengan konteks budaya Sasambo terhadap kemampuan pemecahan masalah matematika siswa kelas VIII SMP Negeri 8 Mataram Tahun Ajaran 2024/2025. Metode penelitian yang digunakan adalah quasi eksperimental design dengan posttest-only control design. Populasi penelitian siswa kelas VIII SMPN 8 Mataram, sampel penelitian kelas VIIIB sebagai kelas eksperimen dan VIIIA sebagai kelas kontrol yang diperoleh menggunakan teknik purposive sampling. Teknik pengumpulan data menggunakan observasi dan tes tertulis dalam bentuk soal uraian.  teknik analisis data berupa uji normalitas, uji homogenitas dan uji hipotesis. Pada pengujian hipotesis dilakukan dengan menggunakan uji t dan uji effect size menggunakan rumus Cohen’s. Berdasarkan hasil penelitian: 1) hasil uji t menunjukkan bahwa terdapat perbedaan rata-rata hasil belajar siswa antara kelas eksperimen dan kelas kontrol, 2) hasil uji effect size diperoleh  yang termasuk dalam kategori tinggi, 3) rata-rata nilai kelas eksperimen  dan kontrol , artinya rata-rata nilai kelas eksperimen lebih tinggi dibandingkan rata-rata nilai kelas kontrol. Dengan demikian, dapat disimpulkan bahwa terdapat pengaruh problem based learning (PBL) dengan konteks budaya Sasambo terhadap kemampuan pemecahan masalah matematika siswa kelas VIII SMP Negeri 8 Mataram Tahun Ajaran 2024/2025.
Kemampuan Komunikasi Matematis Siswa Kelas VIII SMPN 1 Lingsar Ditinjau dari Karakteristik Cara Berpikir Chopifah Rosdianti; Sri Subarinah; Nani Kurniati; Syahrul Azmi
JURNAL PENDIDIKAN MIPA Vol 15 No 1 (2025): JURNAL PENDIDIKAN MIPA
Publisher : Pusat Publikasi Ilmiah, STKIP Taman Siswa Bima

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37630/jpm.v15i1.2453

Abstract

Penelitian ini bertujuan untuk mendeskripsikan kemampuan komunikasi matematis siswa ditinjau dari karakteristik cara berpikir siswa kelas VIII SMPN 1 Lingsar. Jenis penelitian ini adalah penelitian deskriptif kualitatif. Instrumen penelitian berupa angket, tes uraian dan pedoman wawancara. Dari 3 kelas yang terdiri dari 91 siswa yang diberikan angket karakteristik cara berpikir dipilih 1 kelas dengan banyak siswa 31 siswa sebagai subjek penelitian yaitu kelas VIII 3 dengan pertimbangan karakteristik cara berpikir siswa dikelas tersebut merata. Di kelas tersebut terdapat 14 siswa dengan karakteristik cara berpikir tipe sekuensial konkret (SK), 4 siswa dengan karakteristik cara berpikir tipe sekuensial abstrak (SA), 6 siswa dengan karakteristik cara berpikir tipe acak abstrak (AA), dan 7 siswa dengan karakteristik cara berpikir tipe acak konkret (AK). Kemudian siswa pada kelas VIII 3 diberikan tes kemampuan komunikasi matematis pada materi teorema Pythagoras, kemudian dipilih 8 subjek penelitian untuk dilakukan wawancara untuk memperdalam data yang terdiri dari 2 siswa pada masing-masing karakteristik cara berpikir dan dipilih melalui purposive sampling untuk. Indikator kemampuan komunikasi matematis yang digunakan dalam penelitian ini yaitu indikator menulis, menggambar dan ekspresi matematika. Hasil penelitian menunjukkan kemampuan komunikasi matematis siswa dengan karakteristik cara berpikir tipe SK sudah memenuhi indikator menulis, menggambar dan ekspresi matematika. Kemampuan komunikasi matematis siswa dengan karakteristik cara berpikir tipe SA belum memenuhi indikator menulis, menggambar, ekspresi matematika. Kemampuan komunikasi matematis siswa dengan karakteristik cara berpikir tipe AA sudah memenuhi indikator menulis dan menggambar namun masih kurang dalam indikator eskpresi matematika. Kemampuan komunikasi matematis siswa dengan karakteristik cara berpikir tipe AK sudah memenuhi indikator menulis, namun masih kurang dalam indikator menggambar dan ekspresi matematika. Sehingga dapat disimpulkan bahwa kemampuan komunikasi matematis siswa masih rendah.
Empowering elementary teachers: Digital mathematics learning resource training center for enhanced classroom instruction Novitasari, Dwi; Soeprianto, Harry; Kurniati, Nani; Junaidi, Junaidi; Yulis Tyaningsih, Ratna; Agustina, Arianti
Rengganis Jurnal Pengabdian Masyarakat Vol. 5 No. 1 (2025): Mei 2025
Publisher : Pendidikan Matematika, FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/rengganis.v5i1.560

Abstract

The availability and utilization of Mathematics Learning Resource Centers (LRC) play a crucial role in enhancing the quality of teaching in elementary schools. LRC integrated with IT can assist teachers in designing engaging, interactive, and relevant lessons, while also fostering students’ interest in learning. However, field observations reveal that teachers' access to digital learning resources remains limited, and the integration of technology in mathematics instruction is still suboptimal. To address this issue, the program provided training for elementary school teachers on effectively utilizing digital-based learning resource centers. The main objective in this community service is to improve teachers' skills in using LRC as a supportive medium for mathematics instruction in the classroom. The training was conducted through discussions, demonstrations, and hands-on simulations, involving 18 elementary school teachers from Puyung. Evaluation results, obtained through questionnaires, indicate that participants (1) showed high enthusiasm throughout the training, (2) were able to operate the digital LRC independently, and (3) responded positively to the usefulness of LRC in supporting the teaching and learning process. It is expected that this training will broaden teachers’ knowledge and skills in utilizing technology,and contribute to the improvement of mathematics teaching quality at the elementary school level.
Co-Authors Achirudin, Zulfikar Afandi, Noval Agustina Agustina Agustina, Arianti Agutina, Ripki Amalia Ainun, Yusri Ambia, Nurul Amelia Kusuma Amrullah Amrullah Amrullah Anisah Anwariyah, Sofiyatil Apriani, Amelia Aprilia, Ririn Arjudin Arjudin Arjudin Azmi, Ema Suryani Baehaqi Baidowi Baidowi Baidowi Baidowi Baiq Julia Setyaningrum Cahyani, Nurriza Indah Chaerunnisa Sumiatun Efendi Chopifah Rosdianti Dhuha, Shela Hadri Dhuha Dina, Yana Roza Eka Kurniawan Erika Fitriana Erly Ekayanti Rosyida Ezi Julianto Fadila, Laila Fahmi Firdaus Firnanda, Riska Faya Hadi, Safwanul Harry Soeprianto Haryani, Fitria I Nyoman Pujawan Ida Royani Intan Kertiyani, Ni Made Irwadi Saputra Iryanto, Rizal Ismi Andriyani, Ismi Julianto, Ezi Junaidi Junaidi Junaidi Junaidi Kayanti, Kusamantha Dwi Ketut Sarjana KETUT SARJANA, KETUT Kurabi, M.Kasyiful Kurniawan, Eka Laila Hayati Laila Hayati, Laila Lu’luilmaknun, Ulfa Lu’luilmaknun, Ulfa Miftahul Janah Muhammad Turmuzi Mulya Lestari Muniro, Nisrina Nabila Aulia Priangka Ni Kadek Nirmala Wilwatikta Ni Made Intan Kertiyani Nia Agustina Nilza Humaira Salsabila Nourma Paramestie Wulandari Nourma Pramestie Wulandari Nurfahrani, Nurfahrani nurul ambia Nurul Fatmawati Nurul Hikmah NURUL HIKMAH Nuryadin, Nanang Nyoman Sridana Nyoman Sridana Prasetyo, Erik Bagus Rabiyatil Husniyati Ratna Dwi Aryani Ratna Yulis Tyaningsih Rima Guntari Lyana Rosmala Dewi, Lale Amrini Salsabila, Nilza Humaira Sapitri, Evi Sasa Apriliska Septia Yazid, Fajri SITI ANISA RUSMANIA Soepriyanto, Harry Sri Subarinah Sri Subarinah, Sri Sridana Sridana Sripatmi Sripatmi Sripatmi Sripatmi Sripatmi, Sripatmi Sudi Prayitno Suef, Mokhamad Sujaya, Ketut Ary Sulisyani, Anis Suliyani, Anis Syafitri, Rekha Hesti Syahril Ramdhan Syahrul Azmi Syahrul Azmi Tabita Wahyu T Tabita Wahyu Triutami Thohira, Nur Triutami, Tabita Wahyu Ulfa Lu'luilmaknun Ulfa Lu’luilmaknun ULUL AZMI Utami, Davina Putri Wafasari Wahidaturrahmi Wahidaturrahmi Wahidaturrahmi, Wahidaturrahmi Wulandari, Nourma Pramestie Yulis Tyaningsih, Ratna Yunita Septriana Yunita Septriyana Anwar Zalty, Rani Febriana Zulhijri